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(Other, general, or unspecified) processing-related failures

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.homegoods.c0090430
EISBN: 978-1-62708-222-8
... source was an undispersed gel particle formed during the production of the molding resin. Chemical analysis Handles Inclusions Injection moldings Molding resins Polybutadiene acrylonitrile-butadiene-styrene (Other, general, or unspecified) processing-related failures The handle from...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c0090439
EISBN: 978-1-62708-220-4
... not comply with the specified material and, as a result, was not as thermally stable as the reference material. Chemical composition Feedstock Molding resins Plasticizers Thermal analysis Tubing (nonmetal) Tubings Polyvinyl chloride (Other, general, or unspecified) processing-related failures...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.design.c0090436
EISBN: 978-1-62708-233-4
.... Contaminants Couplings Embrittlement Feedstock Molding resins Thermal analysis Glass-filled nylon 6/12 (Other, general, or unspecified) processing-related failures Brittle fracture Molded plastic couplings used in an industrial application exhibited abnormally brittle properties, as compared...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c0090433
EISBN: 978-1-62708-218-1
... properties, which produced a greater predisposition for stress relaxation. Additives Chemical composition Clips Injection moldings Molding resins Stress relaxation Thermal analysis Wire clips Nylon 6/6 (Other, general, or unspecified) processing-related failures A production lot...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001258
EISBN: 978-1-62708-235-8
..., general, or unspecified) processing-related failures A drawing plant which processed steel wire of designation 105 Cr 2 for ball bearings, had losses due to crack formation and wire breakage during drawing. In order to establish the reason for the breakage, seven fractures were submitted...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c0047865
EISBN: 978-1-62708-225-9
... surface imperfections. Electric motors Stress concentration Thermal stresses 1151 UNS G11510 Brittle fracture (Other, general, or unspecified) processing-related failures Splined rotor shafts like that shown in Fig. 1 were used on small electric motors. It was found that one spline...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c9001256
EISBN: 978-1-62708-218-1
... inclusions Steel making Fe-0.25C-0.4Ni-3Cr-0.5Mo (Other, general, or unspecified) processing-related failures There was once a large incidence of surface defects on the crank pins and journals and other areas of crank shafts of a high power automotive engine. The steel used was a chromium-molybdenum...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001260
EISBN: 978-1-62708-235-8
... with low melting clinkers from scale and furnace lining filling up the crevice of the original defect. Decarburizing Ingots Nonmetallic inclusions Rolling Fe-0.4C-0.73Mn-1.15Cr-0.28Mo (Other, general, or unspecified) processing-related failures Case History One percent Chromium...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c9001261
EISBN: 978-1-62708-219-8
... could have been eliminated if a killed steel of quality groups 2 or 3 according to DIN 17 100 had been used. Bars Concrete construction Cracking (fracturing) Steelmaking St 34 (Other, general, or unspecified) processing-related failures In a concrete structure a ceiling was hung on flat...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.rail.c9001444
EISBN: 978-1-62708-231-0
... (Other, general, or unspecified) processing-related failures Brittle fracture In order to permit of the bolting of a 90 lb./yd. flat-bottomed rail to a steel structure, rectangular slots 2 in. wide ├Ś 1 in. deep were flame-cut in the base of the rail at 2 ft. intervals to suit existing bolt holes...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c0090451
EISBN: 978-1-62708-218-1
..., and the testing itself exposed the parts to temperatures above the recognized limits for PET. Brittle fracture Chemical analysis Drying Feedstock Injection moldings Molding resins Plastic jackets Thermal shock Polyethylene terephthalate Brittle fracture (Other, general, or unspecified) processing...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001184
EISBN: 978-1-62708-235-8
... Steel making 18-8 Fe-1.0C-1.5Cr (Other, general, or unspecified) processing-related failures Occasionally metallic inclusions are found in ingots, semi-finished or finished products which top crusts resemble 1 , 2 , 3 . While these can be differentiated from the steel in the primary structure...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001227
EISBN: 978-1-62708-235-8
... gave rise to the conclusion that it was formed either by the sole or contributive effect of these stresses. Cooling rate Cracking (fracturing) Pipe bends St 35.29 (Other, general, or unspecified) fracture Metalworking-related failures An elbow of 70 mm O. D. and 10 mm wall thickness...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0092148
EISBN: 978-1-62708-235-8
... treated. Hydraulic valves Retained austenite Seizing 8620 UNS G86200 1117 UNS G11170 (Other, general, or unspecified) distortion Heat treating-related failures Occasional failures were experienced in spool-type valves used in a hydraulic system. When a valve would fail, the close...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0046022
EISBN: 978-1-62708-217-4
... liquid-penetrant inspection before anodizing, because chromic acid destroys the penetrant. This inspection would reduce the possibility of cracked parts being used in service. Anodizing Cracking (fracturing) Forgings Straightening 2014-T6 UNS A92014 (Other, general, or unspecified) fracture...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0006417
EISBN: 978-1-62708-234-1
... stainless steel was also recommended. Cadmium plating Corrosion prevention Corrosion products Energy dispersive x ray analysis Inhibitors Iron oxides Materials substitution Pipe bends Scanning electron microscopy 4340 UNS G43400 (Other, general, or unspecified) corrosion A cadmium...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.pulp.c0090276
EISBN: 978-1-62708-230-3
.... Recommendations included design changes in the head/shell joint, and detailed preventive maintenance inspection procedures were also suggested. Bolts Cracking (fracturing) Design Paper machines Pressure vessels Preventative maintenance Yankee dryer Cast iron (Other, general, or unspecified) fracture...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c9001490
EISBN: 978-1-62708-232-7
... introduced during the steelmaking process. Leakage Liquid metals Magnesium base alloys Melting pots Nonmetallic inclusions 1022 UNS G10220 1020 UNS G10200 Erosive wear (Other, general, or unspecified) processing-related failures A steel pot used to hold molten magnesium alloys leaked...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.homegoods.c9001622
EISBN: 978-1-62708-222-8
... that a sugar-containing substance, such as coffee or a soft drink, dried onto the surface of this coin and caused the observed discoloration. Concluding Remarks An investigation of discoloration, like any other failure investigation, requires an arrival at the correct conclusions and suitable...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001491
EISBN: 978-1-62708-217-4
... their quality control procedures and resumed production of nozzle liners with more tightly controlled fiber/fabric materials. Proof stress Quality control Silica-phenolic (Other, general, or unspecified) fracture (Other, general, or unspecified) processing-related failures I. Introduction...